git.m6w6.name Git - awesomized/libmemcached/blob - clients/memerror.cc

   1 /* LibMemcached
   2  * Copyright (C) 2006-2009 Brian Aker
   3  * All rights reserved.
   4  *
   5  * Use and distribution licensed under the BSD license.  See
   6  * the COPYING file in the parent directory for full text.
   7  *
   8  * Summary:
   9  *
  10  */
  11 #include "config.h"
  12
  13 #include <inttypes.h>
  14 #include <cstdio>
  15 #include <cstdlib>
  16 #include <cstring>
  17 #include <getopt.h>
  18 #include <iostream>
  19 #include <unistd.h>
  20
  21 #include <libmemcached/memcached.h>
  22
  23 #include "utilities.h"
  24
  25 #define PROGRAM_NAME "memerror"
  26 #define PROGRAM_DESCRIPTION "Translate a memcached errror code into a string."
  27
  28
  29 /* Prototypes */
  30 void options_parse(int argc, char *argv[]);
  31
  32 static int opt_verbose= 0;
  33
  34 int main(int argc, char *argv[])
  35 {
  36   options_parse(argc, argv);
  37
  38   if (argc != 2)
  39   {
  40     return EXIT_FAILURE;
  41   }
  42
  43   unsigned long value= strtoul(argv[1], (char **) NULL, 10);
  44
  45   if (value < MEMCACHED_MAXIMUM_RETURN)
  46   {
  47     std::cout << memcached_strerror(NULL, (memcached_return_t)value) << std::endl;
  48   }
  49   else
  50   {
  51     std::cerr << memcached_strerror(NULL, MEMCACHED_MAXIMUM_RETURN) << std::endl;
  52     return EXIT_FAILURE;
  53   }
  54
  55   return EXIT_SUCCESS;
  56 }
  57
  58
  59 void options_parse(int argc, char *argv[])
  60 {
  61   static struct option long_options[]=
  62     {
  63       {(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
  64       {(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
  65       {(OPTIONSTRING)"quiet", no_argument, NULL, OPT_QUIET},
  66       {(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
  67       {(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
  68       {0, 0, 0, 0},
  69     };
  70
  71   bool opt_version= false;
  72   bool opt_help= false;
  73   int option_index= 0;
  74   while (1)
  75   {
  76     int option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
  77     if (option_rv == -1)
  78     {
  79       break;
  80     }
  81
  82     switch (option_rv)
  83     {
  84     case 0:
  85       break;
  86
  87     case OPT_VERBOSE: /* --verbose or -v */
  88       opt_verbose = OPT_VERBOSE;
  89       break;
  90
  91     case OPT_DEBUG: /* --debug or -d */
  92       opt_verbose = OPT_DEBUG;
  93       break;
  94
  95     case OPT_VERSION: /* --version or -V */
  96       opt_version= true;
  97       break;
  98
  99     case OPT_HELP: /* --help or -h */
 100       opt_help= true;
 101       break;
 102
 103     case OPT_QUIET:
 104       close_stdio();
 105       break;
 106
 107     case '?':
 108       /* getopt_long already printed an error message. */
 109       exit(EXIT_FAILURE);
 110
 111     default:
 112       abort();
 113     }
 114   }
 115
 116   if (opt_version)
 117   {
 118     version_command(PROGRAM_NAME);
 119     exit(EXIT_SUCCESS);
 120   }
 121
 122   if (opt_help)
 123   {
 124     help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, NULL);
 125     exit(EXIT_SUCCESS);
 126   }
 127 }